seed coat
Americannoun
noun
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The outer protective covering of a seed. The seed coat develops from the integument of the ovule.
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Also called testa
Etymology
Origin of seed coat
First recorded in 1790–1800
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Angiosperms evolved from gymnosperms, but how carpels and the second seed coat arose has been a big mystery.
From Science Magazine • May 26, 2021
Scale bar, 1 mm. b, Representative scanning electron microscopy image showing measurements of inner and outer seed coat layers.
From Nature • Feb. 7, 2017
The medium-size red seeds offer a heartier crunch, thanks to their additional seed coat and a predominant nuttiness.
From Seattle Times • Feb. 12, 2014
Instead, they soft part is a fleshy seed coat — one of the three basic parts of a seed.
From Scientific American • Oct. 17, 2013
The end which almost touches the seed coat is caulicle, the other end belongs to the solitary cotyledon.
From The Elements of Botany For Beginners and For Schools by Gray, Asa
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
